It is the largest agamid endemic to Sri Lanka[1] and lives in dense wet zone forests.

A large agamid lizard, widespread in the wet lowlands and the midhills of Sri Lanka, from 25m up to elevation of 1650m.

[4] Inhabits forests with high canopy and dense undergrowth, but it occasionally also enters home gardens.

The typical threat posture is open-mouth gape, revealing the bright red lining of the oral cavity.

About 1–11 eggs with measuring 12–13 * 20–22mm per clutch are produced in the months of January, March, May, June, September, October, and December.